AutoCAD Civil 3D :: Grayscale Height Map
Jun 14, 2012We are trying to find a way to produce a Greyscale BMP/PNG/ tiff file Height map, is this possible to do in C3D? Like the one attached.
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Photoshop :: Creating Terrain Grayscale Image From Height Field Contours
Jul 18, 2009The starting point:
I have a JPG image of a battlefield wherein the height contours in feet are marked as faint lines (like a closed contour line for 390 feet, another for 420 feet, etc etc.)
The desired final product in Photoshop:
A grayscale RAW document that shows the height variations in gray tones.
Low lying troughs need to be darker and higher elevations need to be lighter.
See picture below for example:
I am ignoring the roads and other features in the battlefield.
All I am interested is the technique of converting the height contours into a smoothly varying grayscale image.
I am a complete Neanderthal when it comes to Photoshop. I do have a copy of Adobe Photoshop CS3 on my PC.
I have been toying around with the package on and off. But nothing useful has come out yet.
Now to my specific questions
*How do I bring in the height contours into Photoshop? I have tried the magnetic lasso tool and able to trace a height contour with good fidelity.
I am kind of stuck at this point. Do I save the selection to a new layer? Do I thus create one layer for each of the height contours?
Say one layer for the all the 390 feet contours, another layer for the 420 feet contours, one more for the 360 feet contours etc etc?
*Assume that I have somehow brought in all the height contours successfully into a new Photoshop document.
How do I create a gradient effect between the contours?
The lowest height in the map is 300 feet and the highest areas are at 480 feet.
Thus the area enclosed by the 300 feet contour lines needs to be darkest (pitch black) and the area enclosed by the 480 feet contour lines needs to be lightest (pure white).
The areas in between need to go progressively from dark to light shade.
How do I achieve this?
*Assume that I have created now a PSD document that has these smoothly varying grayscales. How do I convert this to a RAW image?
AutoCAD Civil 3D :: Curb Height Transitions
Aug 21, 2013Trying to model a curb height transition in my corridor. Over about 15' I want to go from a 6" curb to flush.
The only way I can seem to get it to show accurately is to leave a void in my corridor. This allows the surface which is created from the corridor to model correctly and give me a transition of my curb height from 6" to flush. Here's the object viewer showing it correctly:
However, there are a few problems with this approach. Mainly I've come to like the way the relatively new "extract corridor solids" tool (toolspace, toolbox, miscellaneous Utilities, corridor solids). I use this to create a fairly nice looking Navisworks model. With the void, now my model has a void. It seems to me that there should be a way to have a subassembly that can target both the back of curb profile and the edge of gutter simultaneously. I've tried with the standard subassembly "UrbanReplaceCurbGutter2" but with no luck. Any successful modeling a curb height transition within their corridor?
AutoCAD Civil 3D :: Iterating Height Levels For A Polyline
Jan 20, 2013I have a problem iterating heights when making a polyline between two different points that have Z-values. I've used Autocad Civil 3D for working with geodetic data with height measurements before and I remember using geodetically measured height values, transforming them into a surface and then when I create a 3Dpolyline within this area the polyline automatically gets z-values that change along the line.
In other words, I could use this 3Dpolyline to obtain a profile that gives me z-values even where there is no exact point with a value has been physically measured. It was a while ago I worked with Autocad and now when I started again I have a similar problem but can't manage to create a surface and get iterated values.
My exact problem this time is:
I have a sewage pipe that runs for several kilometers that is drawn as a 3Dpolyline, with correct x- and y-values. It doesn't have any z-values yet and these are what I want to obtain. I want the polyline to have continuous z-values that changes along the polyline (not only in vertexes) so that a smooth profile can be drawn if wanted. I have data of measured actual z-values for approximately every 500 meters or so along the sewage pipe and these are currently drawn as 3Dpolylines of around 20 meters going perpendicular to the pipe (as in the picture). In other words there are bars with z-values crossing the pipe all along the stretch. Now, what I want to do is to somehow make the polyline that represent the pipe to get the heights from these perpendicular bars with the measured z-values. If I try to draw a new 3Dpolyline between two of the measured bars where the actual pipe is supposed to be, the end vertexes of the 3Dpolyline gets the z-values of the bars. However, the value in between the bars gets the Z-value 0. So, if I start a 3Dpoly on bar 1 then continue the pipe with another vertex, and then finish off at the second bar I will have 2 vertexes with the correct z-value but the middle vertex will be incorrect (0). How do I get the pipe to get the correct z values automatically iterated from the values on the crossing bars? Is this even possible to do? Should I create a surface from the bars first, and in that case how do I do that? If possible I don't only want the vertexes between bars to have iterated z-values, I also want the entire line to have a correct value.
I've attached a crappy image made in paint (since I don't have Autocad on my home PC, only at the office). And just to make things even clearer I'll give an example. Let's say the pipe distance from 1 to 2 is 10 meters, the distance between 1 to 3 is 30 meters and the z-values of bar A and bar B is 10 and 25 respectively. So, when I draw a 3Dpolyline from 1 to 4, I want the vertex 2 to automatically get z-value 15 (since it's 1/3 on the way to B). In the same way, I would like for example the point on the pipe that is right in between 2 and 3 to have the z-value 20. I won't mind redoing the bars to for example singular points instead, if that makes it all easier.
AutoCAD Civil 3D :: Part Builder - Structure Height
Jan 24, 2010I am trying to learn Part Builder to create a custom inlet structure. I am able to build the part in Part Builder so it looks like it should and seems to work correctly when I change part sizes. I run into trouble when I try to change the model parameter for Structure Height (SBSH) to a formula invovling Rim to Sump Height (SRS). When I do this and then go to Edit Size Parameters, I get an error " one or more calculations have failed". It does not seem to make any difference what formula I use for SBSH or what size parameter or model parameter SBSH was set to before I entered the formula.
I am able to save the part without any other error messages, however, when I look at the .xml file, SBSH is a constant and not the formula I entered. I can edit the .xml file to enter the formula that I want but still the part does not function properly in a drawing.
I can make a pipe network using the new structure, however, the pipe inverts are not the same as the sump elevation of the structure. They are usually several feet below the sump. I can get the structure sump to match the pipe inverts by going to "Connected Pipes" under "Edit Structure Properties", highlighting the pipe invert elevation and then clicking "Apply". If you change the pipe using "Edit pipe properties" after this, the structure invert does not update as it should.
AutoCAD Civil 3D :: Set Height Between Invert Out Pipe And Rim Level
Mar 1, 2013I need to know if there is a way (like an expression) to get de height between invert out pipe and rim level?
My question is about a structure with 2 or more pipes at different level and needed to define the height for each one to the surface level (rim level).
C3D2011
MAP3D2011
AutoCAD Civil 3D :: Elliptical Arch Pipe - Height?
Oct 1, 2013I need to put a 42 x 29 Arch Pipe in my drawing. I found a 44 x 27 in the elliptical arch catalog. But I can't get it to let me create one that's 42 x 29.
And I'm also having trouble making a label for it. This is one of three culvert pipes in this network. The other two are round 36" CMP. The label for those says XX' of 36" POLY-COATED CMP @ x.xx%. Once I need the label for this third pipe to show as XX' of 42" x 29" ARCH PIPE @ x.xx%.
When I tried to make the label style, I saw "Pipe Inner Diameter or Width". But I didn't see one for height.
AutoCAD Civil 3D :: How To Set Automatic Height In Sheet Profile View
Nov 13, 2012How i can Set Automatic Height in the Sheet Profile View ?
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Civil 3D 2012
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AutoCAD Civil 3D :: Adding A Bench To Slope / When Maximum Height Is Reached
Jul 25, 2012I am using a feature line to create a grading for a residential house pad. The county grading ordinance calls for a 6' drainage terrace (bench) when slopes exceed 40' in vertical height. I know that for corridor grading you can specify a slope bench with a subassembly but that is not what I am doing here.
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AutoCAD Civil 3D :: Slope Percent (%) Label Text Is Not Changing Height
Jul 19, 2013I have slope % angles labeled on a plan, but they are too large. They are 1/8" tall, and I need them to be 3/32" tall. I have checked the style (ROMANS) to be sure the text height is set to 0", and it is. I've also ensured that these labels are on this label style.
Check the screenshot. I added 2 screenshots with a huge difference in font size just to be sure my point gets across. And, I have hit APPLY and closed the window just to be sure. You will see up top, I have it set to 3/32". Actually the text isn't showing right, it is still stuck on 1/8". But, regardless, you can see in the lower screenshot where I have changed it to 3", but the text has not changed.
As a side note, the text on the slope labels should match the height of the contour labels you can see in the screenshots.
AutoCAD Civil 3D :: How To Insert Data Of Sample Line In Road Profile - Height And Length
Oct 21, 2013I made an alignment of road, inserted with sample line, then i made a profile. But on the sample line on profile, there is not a data of height and lenght of profile. How to get those data in road profile. I can manually draw that, but i think there is an easier way?
View 1 Replies View RelatedAutoCAD Civil 3D :: Test The Height Of Fill Slope Relative To Daylight Catch Point?
Sep 23, 2013This seems like something that should be really easy but for the life of me I can't figure it out. I even started looking at using the Subassembly composer to create a custom SA but that seems like a ton of work so something that would seem to be a common problem.
I need to provide a v-ditch with 2:1 side slopes at the toe of a 2:1 fill slope. The flow line of the ditch should be 2 ft below the daylight point of the roadway pavement section.
My problem is that the conditional subassembly seems to evaluate the height of fill directly beneath the attachment point of the conditional SA (pavement section daylight point in my case – “Daylight_Sub” Point code). Instead I need it to evaluate the difference in elevation between the catch point of a 2:1 daylight fill slope and the conditional SA attachment point (Daylight_sub). If that difference is less than 2 feet, I need to provide the ditch, otherwise I can just use the daylight slope for the ditch foreslope and the existing surface for the backslope.
how to do this? Maybeits as easy as using a predefined daylight subassembly that I'm overlooking?
Here’s my current assembly attempt:
And the resulting behavior. It is solving the 2nd fill condition when I would like it to solve the 1st fill condition:
Revit :: Filter Walls By Height / Unconnected Height
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I want to disseminate which walls are currently modeled to deck and which ones stop short so I can selectively coordinate this.
This seems completely logical, but I don't see the option to allow this.
Why does Revit allow me to schedule the Length of a Wall, but not it's Height - am I missing something?
AutoCAD Civil 3D :: Pipe Section In Full Height In Section Views?
Feb 20, 2013I have lots of section views with some surfaces and pipes. Unfortunately, in a number of section views pipes are not shown in full height because the section view level range is too little. What I am wondering is - is it possible to automatically adjust section level ranges so that they fully include pipe sections? Please see also the image in the attachment.
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Aug 8, 2012I am trying to change the height of the points. "pntelev layer" all at one time. The drawing was giving to me by our surveyor, and I am having a hard time finding a command to edit multiple points at the same time.
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I attached a .dwg